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Oenothera filiformis (Small) W.L. Wagner & Hoch. Large-flowered Gaura, Biennial Gaura, Tall Gaura. Phen: Jun-Oct. Hab: Glades, prairies, woodlands, shell middens and calcareous hammocks, openings in bottomland forests, disturbed areas, especially over calcareous soils. Dist: MI, WI, MN, SD, and NE, south to AL, MS, LA, and s. TX.

ID notes: Often confused with O. gaura, but easily separated by its densely strigillose (vs. primarily spreading-villous) pubescence.

Origin/Endemic status: Native

Synonymy: = FNA10, K3, K4, Mi, NE, Wagner, Hoch, & Raven (2007); = Gaura biennis L. var. pitcheri Torr. & A.Gray – C, F, G, Munz (1965); = Gaura filiformis Small ssp. filiformis – Tx; = Gaura longiflora Spach – Ar, GrPl, Il, K1, NcTx, Tn, preoccupied name; = n/a – Pa, Tat; > Gaura biennis L. var. pitcheri Torr. & A.Gray – Munz (1938); > Gaura filiformis Small – S, S13; > Gaura filiformis Small var. kearneyi Munz – Munz (1938); > Gaura filiformis Small var. munzii Cory – Munz (1938); > Gaura filiformis Small var. typica Munz – Munz (1938); > Gaura longiflora Spach – S, S13; > Gaura pitcheri (Torr. & A.Gray) Small – S13

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image of plant© Alan Weakley source | Original Image ⭷
image of plant© Mark Kluge, some rights reserved (CC BY-NC), uploaded by Mark Kluge source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Mark Kluge, some rights reserved (CC BY-NC), uploaded by Mark Kluge source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image of plant© Nathan Aaron, some rights reserved (CC BY), uploaded by Nathan Aaron source CC-BY | Original Image ⭷

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